Affects all platforms supported by the vulnerable versions.
Description
Denial of Service. An unprivileged user may be able to "disappear" certain wiki pages by exploiting moderated edits, rollbacks, and some other actions.
The versions listed below are known to be affected by this issue. If you are using one of those versions, you should update to a newer release that has no known vulnerabilities.
Notes
After applying the patch, it should be possible to recover any pages that have already been affected by this issue, by using the tool in AdminCP > Wiki > Maintenance > Rebuild Counters / Caches > Rebuild Content URLs.
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